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<?php |
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/** |
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* @author Patsura Dmitry https://github.com/ovr <[email protected]> |
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*/ |
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namespace PHPSA\Compiler\Expression; |
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use PHPSA\Check; |
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use PHPSA\CompiledExpression; |
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use PHPSA\Context; |
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use PHPSA\Definition\ClassDefinition; |
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class MethodCall extends AbstractExpressionCompiler |
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{ |
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protected $name = 'PhpParser\Node\Expr\MethodCall'; |
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/** |
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* @param \PhpParser\Node\Expr\MethodCall $expr |
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* @param Context $context |
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* @return CompiledExpression |
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*/ |
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protected function compile($expr, Context $context) |
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{ |
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$expressionCompiler = $context->getExpressionCompiler(); |
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$methodNameCE = $expressionCompiler->compile($expr->name); |
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$compiledArguments = $this->parseArgs($expr->args, $context); |
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$leftCE = $expressionCompiler->compile($expr->var); |
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if ($leftCE->canBeObject()) { |
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/** @var ClassDefinition $calledObject */ |
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$calledObject = $leftCE->getValue(); |
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if ($calledObject instanceof ClassDefinition) { |
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$methodName = $methodNameCE->isString() ? $methodNameCE->getValue() : false; |
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if ($methodName) { |
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if (!$calledObject->hasMethod($methodName, true)) { |
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$context->notice( |
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'language_error', |
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sprintf('Method %s() does not exist in %s scope', $methodName, $calledObject->getName()), |
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$expr |
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); |
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//it's needed to exit |
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return new CompiledExpression(); |
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} |
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$method = $calledObject->getMethod($methodName, true); |
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if (!$method) { |
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$context->debug('getMethod is not working', $expr); |
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return new CompiledExpression(); |
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} |
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if ($method->isStatic()) { |
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$context->notice( |
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'language_error', |
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"Method {$methodName}() is static but called like a class method", |
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$expr |
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); |
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} |
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return $method->run(clone $context, $compiledArguments); |
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} |
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} |
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return new CompiledExpression(); |
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} else { |
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$context->notice( |
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'language_error', |
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sprintf('$%s is not an object and cannot be called like this', $expr->var->name), |
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$expr->var, |
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Check::CHECK_ALPHA |
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); |
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} |
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$context->debug('[Unknown] @todo MethodCall', $expr); |
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return new CompiledExpression(); |
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} |
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/** |
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* @param \PhpParser\Node\Arg[] $arguments |
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* @param Context $context |
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* @return CompiledExpression[] |
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*/ |
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protected function parseArgs(array $arguments, Context $context) |
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{ |
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$compiled = []; |
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if ($arguments) { |
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foreach ($arguments as $argument) { |
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$compiled[] = $context->getExpressionCompiler()->compile($argument->value); |
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} |
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} |
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return $compiled; |
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} |
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} |
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ovr /
phpsa
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.